The quality of being timeless and eternal.

Roget 112: perpetuity, eternity, everness^†, aye, sempiternity^†, immortality, athanasia^†; interminability^†, agelessness^†, everlastingness etc. adj.; perpetuation; continued existence, uninterrupted existence; perennity^†; permanence (durability) 110.    ... meer laten zien